Sugar Maple. Hard Maple. Rock Maple 



1. Winter twig, x 2. 



2. Portion of twig, enlarged. 



3. Leaf, x y 2 . 



4. S'taminate flowering branchlet, x l / 2 . 



5. Staminate flower, enlarged. 



6. Pistillate flowering branchlet, x J/2. 



7. Pistillate flower, enlarged. 



8. Fruit, xi. 



180 



